15 citations · 15 across the 2 of their papers we have counts for
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cs.CR2009★ 15 cited
Side-channel attack on labeling CAPTCHAs
Carlos Javier Hernandez-Castro, Arturo Ribagorda, Yago Saez
We propose a new scheme of attack on the Microsoft's ASIRRA CAPTCHA which represents a significant shortcut to the intended attacking path, as it is not based in any advance in the…
cs.CR2008
Cryptanalysis of the RSA-CEGD protocol
Juan M. E. Tapiador, Almudena Alcaide, Julio C. Hernandez-Castro +1
Recently, Nenadić et al. (2004) proposed the RSA-CEGD protocol for certified delivery of e-goods. This is a relatively complex scheme based on verifiable and recoverable encrypted…